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Finding the Fourth Proportional to 222,460.94, 306,994.52 and 120,484.05

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Solution

The fourth proportional to 222,460.94, 306,994.52 and 120,484.05 is: 166,267.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,460.94 : 306,994.52 = 120,484.05 : x
  2. Step 2: Convert to fraction form
    222,460.94/306,994.52 = 120,484.05/x
  3. Step 3: Cross multiply
    222,460.94x = 306,994.52 × 120,484.05
  4. Step 4: Simplify right side
    222,460.94x = 36,987,942,494.99
  5. Step 5: Solve for x
    x = 36,987,942,494.99/222,460.94
  6. Step 6: Final answer
    x = 166,267.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.